Java - How to create a custom dialog box?

Question

I have a button on a JFrame that when clicked I want a dialog box to popup with multiple text areas for user input. I have been looking all around to try to figure out how

Answer 1

i created a custom dialog API. check it out here https://github.com/MarkMyWord03/CustomDialog. It supports message and confirmation box. input and option dialog just like in joptionpane will be implemented soon.

Sample Error Dialog from CUstomDialog API: CustomDialog Error Message